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       1                 :            : /** @file postlist.cc
       2                 :            :  * @brief Abstract base class for postlists.
       3                 :            :  */
       4                 :            : /* Copyright (C) 2007,2009,2011,2015,2017 Olly Betts
       5                 :            :  *
       6                 :            :  * This program is free software; you can redistribute it and/or
       7                 :            :  * modify it under the terms of the GNU General Public License as
       8                 :            :  * published by the Free Software Foundation; either version 2 of the
       9                 :            :  * License, or (at your option) any later version.
      10                 :            :  *
      11                 :            :  * This program is distributed in the hope that it will be useful,
      12                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :            :  * GNU General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU General Public License
      17                 :            :  * along with this program; if not, write to the Free Software
      18                 :            :  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
      19                 :            :  */
      20                 :            : 
      21                 :            : #include <config.h>
      22                 :            : 
      23                 :            : #include "postlist.h"
      24                 :            : 
      25                 :            : #include <xapian/error.h>
      26                 :            : 
      27                 :            : #include "omassert.h"
      28                 :            : 
      29                 :            : using namespace std;
      30                 :            : 
      31         [ -  + ]:     963646 : PostList::~PostList() {}
      32                 :            : 
      33                 :            : TermFreqs
      34                 :          0 : PostList::get_termfreq_est_using_stats(const Xapian::Weight::Internal &) const
      35                 :            : {
      36                 :            :     throw Xapian::InvalidOperationError(
      37 [ #  # ][ #  # ]:          0 :      "get_termfreq_est_using_stats() not meaningful for this PostingIterator");
                 [ #  # ]
      38                 :            : }
      39                 :            : 
      40                 :            : Xapian::termcount
      41                 :          0 : PostList::get_wdf() const
      42                 :            : {
      43 [ #  # ][ #  # ]:          0 :     throw Xapian::InvalidOperationError("get_wdf() not meaningful for this PostingIterator");
                 [ #  # ]
      44                 :            : }
      45                 :            : 
      46                 :            : PositionList *
      47                 :          0 : PostList::read_position_list()
      48                 :            : {
      49 [ #  # ][ #  # ]:          0 :     throw Xapian::UnimplementedError("OP_NEAR and OP_PHRASE only currently support leaf subqueries");
                 [ #  # ]
      50                 :            : }
      51                 :            : 
      52                 :            : PositionList *
      53                 :          0 : PostList::open_position_list() const
      54                 :            : {
      55 [ #  # ][ #  # ]:          0 :     throw Xapian::InvalidOperationError("open_position_list() not meaningful for this PostingIterator");
                 [ #  # ]
      56                 :            : }
      57                 :            : 
      58                 :            : PostList *
      59                 :       7756 : PostList::check(Xapian::docid did, double w_min, bool &valid)
      60                 :            : {
      61                 :       7756 :     valid = true;
      62                 :       7756 :     return skip_to(did, w_min);
      63                 :            : }
      64                 :            : 
      65                 :            : Xapian::termcount
      66                 :          0 : PostList::count_matching_subqs() const
      67                 :            : {
      68                 :            :     Assert(false);
      69                 :          0 :     return 0;
      70                 :            : }
      71                 :            : 
      72                 :            : void
      73                 :          0 : PostList::gather_position_lists(OrPositionList*)
      74                 :            : {
      75                 :            :     Assert(false);
      76                 :          0 : }